The engaging performance of your Audi A4 is threatened when the EGR valve gets clogged with carbon build-up. Fuel doesn't get recycled through the combustion process a second time, and what isn't burned is dumped into the atmosphere instead. Install an Audi A4 EGR valve replacement from AutoZone to ensure top-notch performance that's designed to last for the long haul.

While some emissions components still allow your car to run, even when they're damaged, you have to replace A4 EGR valves immediately because they can affect your engine or cause it to stop running altogether. Get the best performance-as well as the reassurance that you're reducing your carbon footprint-by replacing a damaged EGR valve for Audi A4 by shopping with AutoZone. Order online and opt for Same-Day Store Pickup at the nearest AutoZone location, or choose Free Shipping on any purchase of $75 or more. You can even take advantage of free engine diagnostic testing and battery shopping the next time you visit your local store.